Cisco Catalyst 9400 Series Hardware Installation Manual page 12

Catalyst 9404R Switch
1 Chassis handholds
2 Power supply modules
3 Fan tray assembly
4 Supervisor module slots (2 and 3)
Rear View of the Catalyst 9404R Switch
The figure shows a rear view of the chassis, with the major components identified:
Cisco Catalyst 9400 Series Switches Hardware Installation Guide
6
5 Switching module slots (1,and 4)
6 Chassis Radio Frequency ID (RFID)
7 Chassis model number
8 System ground
Product Overview